package com.cqust.wdm.emsboot.util.file;

/**
 * 媒体类型工具类
 *
 * @author ruoyi
 */
public class MimeTypeUtils {
    public static final String IMAGE_PNG = "image/png";

    public static final String IMAGE_JPG = "image/jpg";

    public static final String IMAGE_JPEG = "image/jpeg";

    public static final String IMAGE_BMP = "image/bmp";

    public static final String IMAGE_GIF = "image/gif";

    public static final String[] IMAGE_EXTENSION = {"bmp" , "gif" , "jpg" , "jpeg" , "png"};

    public static final String[] FLASH_EXTENSION = {"swf" , "flv"};

    public static final String[] MEDIA_EXTENSION = {"swf" , "flv" , "mp3" , "wav" , "wma" , "wmv" , "mid" , "avi" , "mpg" ,
            "asf" , "rm" , "rmvb"};

    public static final String[] DEFAULT_ALLOWED_EXTENSION = {
            // 图片
            "bmp" , "gif" , "jpg" , "jpeg" , "png" ,
            // word excel powerpoint
            "doc" , "docx" , "xls" , "xlsx" , "ppt" , "pptx" , "html" , "htm" , "txt" ,
            // 压缩文件
            "rar" , "zip" , "gz" , "bz2" ,
            // pdf
            "pdf"};

    public static String getExtension(String prefix) {
        switch (prefix) {
            case IMAGE_PNG:
                return "png";
            case IMAGE_JPG:
                return "jpg";
            case IMAGE_JPEG:
                return "jpeg";
            case IMAGE_BMP:
                return "bmp";
            case IMAGE_GIF:
                return "gif";
            default:
                return "";
        }
    }
}
